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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-04-04 00:48:51 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-04-04 00:48:51 +0000 |
| commit | ab7ccfa2f029279b4235b12056b24548fa5594c5 (patch) | |
| tree | a27e63fae9c2f86fa257d09e1bbbabb90556730c /gcc | |
| parent | 673b6e5ab711ecbcf92baee766353878def2d8aa (diff) | |
| download | ppe42-gcc-ab7ccfa2f029279b4235b12056b24548fa5594c5.tar.gz ppe42-gcc-ab7ccfa2f029279b4235b12056b24548fa5594c5.zip | |
* rtl.h (LCT_THROW): New.
* calls.c (emit_library_call_value_1): Handle it.
* except.c (connect_post_landing_pads): Use it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41070 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/calls.c | 28 | ||||
| -rw-r--r-- | gcc/except.c | 2 | ||||
| -rw-r--r-- | gcc/rtl.h | 3 |
4 files changed, 30 insertions, 9 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b508f5f48c0..a5a4673a78a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2001-04-03 Richard Henderson <rth@redhat.com> + + * rtl.h (LCT_THROW): New. + * calls.c (emit_library_call_value_1): Handle it. + * except.c (connect_post_landing_pads): Use it. + 2001-04-03 Zack Weinberg <zackw@stanford.edu> * gansidecl.h: Delete file. diff --git a/gcc/calls.c b/gcc/calls.c index 694eeeee4e6..eb54aee2d8a 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -3521,15 +3521,29 @@ emit_library_call_value_1 (retval, orgfun, value, fn_type, outmode, nargs, p) #endif #endif - /* No library functions can throw. */ + /* By default, library functions can not throw. */ flags = ECF_NOTHROW; - if (fn_type == LCT_CONST_MAKE_BLOCK) - flags |= ECF_CONST; - else if (fn_type == LCT_PURE_MAKE_BLOCK) - flags |= ECF_PURE; - else if (fn_type == LCT_NORETURN) - flags |= ECF_NORETURN; + switch (fn_type) + { + case LCT_NORMAL: + case LCT_CONST: + case LCT_PURE: + /* Nothing to do here. */ + break; + case LCT_CONST_MAKE_BLOCK: + flags |= ECF_CONST; + break; + case LCT_PURE_MAKE_BLOCK: + flags |= ECF_PURE; + break; + case LCT_NORETURN: + flags |= ECF_NORETURN; + break; + case LCT_THROW: + flags = ECF_NORETURN; + break; + } fun = orgfun; #ifdef PREFERRED_STACK_BOUNDARY diff --git a/gcc/except.c b/gcc/except.c index ec13ed04437..5404f4989e7 100644 --- a/gcc/except.c +++ b/gcc/except.c @@ -1818,7 +1818,7 @@ connect_post_landing_pads () if (outer) emit_jump (outer->post_landing_pad); else - emit_library_call (unwind_resume_libfunc, LCT_NORETURN, + emit_library_call (unwind_resume_libfunc, LCT_THROW, VOIDmode, 1, cfun->eh->exc_ptr, Pmode); seq = get_insns (); diff --git a/gcc/rtl.h b/gcc/rtl.h index e4f2ab03714..667a304aec3 100644 --- a/gcc/rtl.h +++ b/gcc/rtl.h @@ -1982,7 +1982,8 @@ enum libcall_type LCT_PURE = 2, LCT_CONST_MAKE_BLOCK = 3, LCT_PURE_MAKE_BLOCK = 4, - LCT_NORETURN = 5 + LCT_NORETURN = 5, + LCT_THROW = 6 }; extern void emit_library_call PARAMS ((rtx, enum libcall_type, |
